YT Industries YT Jeffsy CORE 3 29 2021
2021 Mountain
Estimate price |
4,199$
Weight | 14.4 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 29" -
Travel Front 150mm -
Travel Rear 150mm -
Fork Fox Performance Elite Float 36
-
Groupset GX Eagle, Truvativ Descendant -
Suspension Full -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
154cm - 166cm
MD
163cm - 176cm
LG
173cm - 185cm
XL
182cm - 194cm
XXL
191cm - 202cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Carbon
Suspension Fork
FOX 36 FLOAT PERFORMANCE ELITE, 29“ | 150 mm Travel | Grip 2 | 110 x 15 mm Axle | 44 mm Offset
Rear Shock
FOX FLOAT DPX2 PERFORMANCE ELITE, Shock Length: 210 mm | Shock Stroke: 55 mm ? 150 mm Travel | 3pos-Adjust
Drivetrain
Rear Derailleur
SRAM GX EAGLE, 12-speed
Shift Levers
SRAM GX EAGLE, 12-speed
Cassette
SRAM XG1275 EAGLE, 10-52T | 12-speed
Crank
SRAM Descendant 7k, Crank Arm Length 175 mm | 32T I DUB-PressFit
Wheels
Rims
DT SWISS M 1900 SPLINE, Aluminum Rims 29“ | Inner Width 30 mm | Front Hub 110 x 15 mm | Rear Hub 148 x 12 mm I XD I 3 Pawl
Tires
MAXXIS MINION DHR II, Tire Size 29“ x 2.4 | EXO Casing | Tubeless Ready | Dual Compound
Brakes
Brakes
SRAM G2 R, Rotor CENTERLINE Ø front 200 mm / rear 200 mm | Adjustable Reach
Cockpit
Stem
E13 Plus 35, 50 mm | 0°Rise | 7050AL | Black
Handlebar
E13 Plus 35, 780 mm | 35 mm Rise | 9° Back | 5° Up | 7050AL | Black
Grips
ODI ELITE MOTION V2.1, Lock-On
Headset
ACROS AZX-576, ZS44 ZS56 | High Cap | 2 Spacer 5 mm
Seat
Saddle
SDG BEL AIR 3.0, 140 mm I Lux-Alloy Rail I YT Custom Design
Seatpost
YT POSTMAN MMX Remote, Ø 31.6mm | 125 mm (S-M) |150 mm (L) | 170 mm (XL-XXL)
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL | XXL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.437 mm | 1.382 mm | 1.334 mm | 1.298 mm | 1.255 mm |
| Bottom Bracket Height | 344 mm | 344 mm | 344 mm | 344 mm | 344 mm |
| Front Center | 741 mm | 763 mm | 785 mm | 809 mm | 831 mm |
| Rake | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
| Trail | 117 mm | 117 mm | 117 mm | 117 mm | 117 mm |
| Stack | 618 mm | 622 mm | 627 mm | 636 mm | 640 mm |
| Reach | 430 mm | 450 mm | 470 mm | 490 mm | 510 mm |
| Top Tube Length | 572 mm | 593 mm | 615 mm | 638 mm | 660 mm |
| Seat Tube Angle | 77 ° | 77 ° | 77 ° | 77 ° | 77 ° |
| Seat Tube Length | 400 mm | 415 mm | 435 mm | 460 mm | 485 mm |
| Head Tube Angle | 66 ° | 66 ° | 66 ° | 66 ° | 66 ° |
| Head Tube Length | 100 mm | 105 mm | 110 mm | 120 mm | 125 mm |
| Chainstay Length | 435 mm | 435 mm | 435 mm | 440 mm | 440 mm |
| Wheelbase | 1174 mm | 1196 mm | 1218 mm | 1247 mm | 1269 mm |
| Bottom Bracket Drop | 32 mm | 32 mm | 32 mm | 32 mm | 32 mm |
| Standover Height | 706 mm | 702 mm | 701 mm | 693 mm | 694 mm |
| Wheels | 29" | 29" | 29" | 29" | 29" |
| Rider Min Height | 154 cm | 163 cm | 173 cm | 182 cm | 191 cm |
| Rider Max Height | 166 cm | 176 cm | 185 cm | 194 cm | 202 cm |
About this model
Jeffsy CORE 3 29 belongs to the Yt Jeffsy model. YT launched 64 bikes of this model so far. You can get a glimpse at all models from 2021, by clicking on this link.
Model range prices
YT Jeffsy Primus 2021 is the most affordable bike of this model and has a price of 1899$. On the other hand, YT JEFFSY Pro Race 29 2021, is the most expensive and costs 5299$.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Average price for Enduro bikes
Our math shows that the average cost of a dependable Enduro bike is 3599$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Enduro bike. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 4199$. Comparing this to the average Enduro bike price, we see that the price is 16.67% more expensive.
Enduro bikes average weight
Enduro bikes have an average weight of 14.27 kg (31.46 lbs). It is a good advantage to have a lighter bike than the average. However, a heavier bike is more efficient on descents.
Jeffsy CORE 3 29 weighs 14.4 kg (31.75 lbs) and is slightly heavier than the average. To sum up, it’s 0.91% heavier than the average weight of Enduro bikes.
Jeffsy CORE 3 29 components
Fork
The Fox Performance Elite Float 36 is included from the factory. It has a travel distance of 150mm. Bike forks are great for shock absorption and provide you with a smooth ride. In short, you should always ensure you have a good fork when purchasing a bike.
Rear Shock
From the factory, it comes with the FOX FLOAT DPX2 PERFORMANCE ELITE rear shock model, which has a travel of 150mm. Rear shocks offer better comfort, better traction, and better cornering. This allows for quicker riding on rough roads and trails. To sum up, always consider getting a bike that has a rear shock as well.
Wheels size
As for the wheels, YT Jeffsy CORE 3 29 2021, has a 29″ aluminum model. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. However, these wheels are not ideal for smaller people.
Brakes
Nothing is more important on a bike than its ability to brake properly. YT Jeffsy CORE 3 29 is equipped with Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, these are ideal for anyone.
Sizes
There are 5 sizes available for this model. Rider height can be anywhere between 154 cm – 202 cm (5.05 ft – 6.63 ft). In conclusion, you won’t have a problem finding one that suits you.
Dropper post
YT Jeffsy CORE 3 29 includes a dropper post. Needless to say, a dropper post will come in handy on climbs and descends. You’ll fall in love with it at first sight!